content: /*
   * Copyright 2017 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package hu.akarnokd.reactive4javaflow.tck;
  
  import hu.akarnokd.reactive4javaflow.SchedulerServices;
  import hu.akarnokd.reactive4javaflow.processors.LastProcessor;
  import org.testng.annotations.Test;
  
  import java.util.concurrent.Flow;
  
  @Test
  public class AsyncProcessorAsPublisherTckTest extends BaseTck<Integer> {
  
      public AsyncProcessorAsPublisherTckTest() {
          super(100);
      }
  
      @Override
      public Flow.Publisher<Integer> createFlowPublisher(final long elements) {
          final LastProcessor<Integer> pp = new LastProcessor<>();
  
          SchedulerServices.io().schedule(() -> {
              long start = System.currentTimeMillis();
              while (!pp.hasSubscribers()) {
                  try {
                      Thread.sleep(1);
                  } catch (InterruptedException ex) {
                      return;
                  }
  
                  if (System.currentTimeMillis() - start > 200) {
                      return;
                  }
              }
  
              for (int i = 0; i < elements; i++) {
                  pp.onNext(i);
              }
              pp.onComplete();
          });
          return pp;
      }
  
      @Override
      public long maxElementsFromPublisher() {
          return 1;
      }
  }
  